KAOSS PAD KP3+ Operating System Version 1.04 and KAOSSILATOR PRO+ Operating System Version 1.04 are now available. Release notes Fixed a bug on external MIDI clock sync feature. System requirements Windows Windows 7 SP1 or later all editions (32/64bit) Mac MacOS 10.9 or later How to install Instructions for updating are in the document file which is extracted from the downloaded file.